1. Physics

    A golfer, putting on a green requires three strokes to “hole the ball.” During the first putt, the ball roles 5.0m due east. For the second putt, the ball travels 2.1m at an angle of 20 degrees north of east. The third putt is 0.50m due north. What

    asked by Amy on January 24, 2012
  2. physics

    Determine the fraction of the energy radiated by the sun in the visible region of the spectrum (350 nm to 700 nm). (Assume the sun's surface temperature is 5800 K.) any help is always appreciated thanks Solve by integrating the 5800 K blackbody function

    asked by --pat-- on August 5, 2007
  3. American Government

    The Constitution establishes rules that the United States government must observe. There are five main principles that form the basis of these rules and ensure our democratic government. In a minimum of three well-developed paragraphs, list, define, and

    asked by Cheryl on October 22, 2010
  4. chemistry

    A 25 mL solution of nitric acid was placed in a flask and a few drops of phenolphthalein were added. Dilute sodium hydroxide was added util the indicator changed colour. It was found that 28 mL of the alkali was used. (a) What colour was the solution in

    asked by Shane on August 7, 2014
  5. chemistry

    (7 points) 1. The reaction that you just witnessed in while doing your titration was: HCl + NaOH  H2O + NaCl. This equation is balanced. Your unknown solutions contained HCl solutions of unknown concentrations, and your titrant was a 0.75 M solution of

    asked by kat on March 21, 2016
  6. History

    I got the question "In what ways did Canada become a welfare state between 1931 and 1982? How did this affect the way Canadians saw themselves? In what ways do you think the economic and social inequalities continued?" and I wanted someone to check over my

    asked by Harley on May 15, 2014
  7. FACS - Reading Assignment Help!

    7. Explain - Why is it important to evaluate the work plan? What might happen if team members fail to evaluate it? Answer - The reason why it's important to evaluate the work plan is because so that they understand what did correctly, what could be

    asked by Laruen on April 22, 2012
  8. Physics HELP

    A 2.0-m measuring stick of mass 0.215 kg is resting on a table. A mass of 0.500 kg is attached to the stick at a distance of 72.0 cm from the centre. Both the stick and the table surface are frictionless. The stick rotates with an angular speed of 6.50

    asked by Jeff on November 15, 2017
  9. Math

    16) Consider the function f(x)=2x3−6x2−90x+5 on the interval [−6,7]. Find the average or mean slope of the function on this interval. By the Mean Value Theorem, we know there exists at least one c in the open interval (−6,7) such that f′(c) is

    asked by Hailey on October 20, 2014
  10. Physics

    A shopper pushes a grocery cart for a distance 18 m at constant speed on level ground, against a 25 N frictional force. He pushes in a direction 24° below the horizontal. What is the work done on the cart by the shopper, in joules? Magnitude of the force,

    asked by TT2014 on March 22, 2015
  11. Algebra 1

    I am kinda confused on this can someone help me? As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. The sales representative here tells you they also have

    asked by Anonymous on July 2, 2008
  12. Physics

    An 8 kg ball is moving at 4 m/s. Work is done on the ball to give it a speed of 12 m/s. What is the ball's initial kinetic energy? What is the ball's final kinetic energy? What work was done on the ball?

    asked by Jai on July 11, 2013
  13. Chemistry

    A student was given 100mL of HCL solution in a 250mL beaker and told that the HCL was 0.11M. The student was also given phenolphthalein indicator and 250 ML of 0.1234 M NaOH. The student first filled a buret with NaOH solution. The student then placed an

    asked by Lenny on November 21, 2013
  14. maths

    in a common coding method each of the letters of the alphabet is replace by the number denoting its usual place in alphabetical order, a bird is then encoded by multiplying the number representing the letter of the word. find an english word that is

    asked by sunny on December 16, 2011
  15. Science

    The significance of specific base pairing in DNA is that A) it stabilizes the sugar molecule B) it provides a method for making exact copies of DNA C) it prevents errors in DNA replication D)protein copies can be be made directly from the DNA I'm pretty

    asked by jake on November 19, 2011
  16. Applied Social Research Method

    I need some help. For a class I need to do the following: Frame a proper research question and complete the following research processes: tell me your variables, define or conceptualize all you terms and variables, tell me what level of measurement you

    asked by Crystal on March 1, 2012
  17. engineering

    b) The crank OA of a mechanism, as shown in the figure, rotates clockwise at 120 r.p.m. The lengths of various links are OA = 100 mm ; AB = 500 m ; AC = 100 mm and CD = 750 mm. Find by instantaneous centre method: 1. Velocity of point C. 2. Velocity of

    asked by Ali on December 30, 2016
  18. Math

    A sports team is building a new stadium on a lot of land. The lot measures 8x by 12x and the field will be 3x by 6x. how much land will be left for the bleachers, restrooms, and other parts of the stadium? So would I use the foil method or would I use the

    asked by Neko on April 12, 2016
  19. English

    I am trying to come up with a thesis for my english paper. It is going to be on Social class in Katherine Mansfields The Garden Party and A Cup of Tea. I want to show how both the upper class main characters take particular interest in the lower class

    asked by Jessica on July 5, 2012
  20. calculus 2 extremely difficult

    The function is r(t)= 400texp(-0.2t^2) and it shows the rate at which people show up in a line outside a theatre to buy tickets. t is the number of hours after 8:00am Assume there is no people at 8:00am and the patrons are served at a constant rate of 200

    asked by Integration on February 28, 2015
  21. Physics

    In an empty rubber raft the pressure is approximately constant. You push on a large air pump that pushes 1.0 L(1.0× 10^−3m3) of air into the raft. You exert a 17N force while pushing the pump handle 3.0×10^−2m . Determine the work done on the gas. If

    asked by Anonymous on April 25, 2015
  22. physics

    1. A boy drags a wooden crate with a mass of 20 kg, a distance of 12 m, across a rough level floor at a constant speed of 1.50 m/s by pulling on the rope tied to the crate with a force of 50 N. The rope makes an angle of 25¡ã with the horizontal. a.What

    asked by annie on October 24, 2011
  23. ELA

    Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you

    asked by jules on December 12, 2017
  24. math

    1. Find the area of a parallelogram with base b and height h. b = 87 cm h = 18.6 cm (1 point) 105.6 cm2 211.2 cm2 809.1 cm2 1,618.2 cm2 2. Find the area of the triangle. A triangle has a base of 21 yards and a perpendicular height of 8.2 yards. (1 point)

    asked by my on April 26, 2017
  25. physics

    Driving along a crowded freeway, you notice that it takes a time t to go from one mile marker to the next. When you increase your speed by 4.0 mi/h, the time to go one mile decreases by 11 s. What was your original speed? I used the equation V=d/t; I

    asked by micole on May 13, 2007
  26. Ap Physics

    An escalator in a shopping centre carries people up through a height h at a vertical speed of v, but you’re in a hurry when you step onto it, so you climb the moving steps (each with a height of hs) at a rate of n steps/s. Determine: the amount of

    asked by Thando on April 23, 2014
  27. Gas Laws and Energy

    I have another question. I've tried it and i keep getting it wrong. The average kinetic energy of a 1.85-g sample of argon gas in a 3.00-L bulb is 1.28e-22 J/atom. What is the pressure of the gas? What is the root mean square velocity of the argon atoms

    asked by Jay on March 2, 2007
  28. ACCOUNTING

    On July 1, 2011 you purchase and pay $36,000 for a three year insurance policy. How much will your insurance expense be this year and during the following three years under the cash and accrual basis methods? At December 31 of each year, how much will

    asked by LINDA on August 26, 2011
  29. physics

    A 10 kg monkey climbs up a massless rope that runs over a frictionless tree limv and back down to a 15kg package on the ground. a) what is the magnitude of the least acceleration the monkey muct have if it is to ligt the package off the ground? If after

    asked by Bri on November 21, 2006
  30. math

    A nurse wants to add water to 18 ounces of a 10% solution of benzalkonium chloride to dilute it to an 8% solution. How much water must she add? (Hint: Water is 0% benzalkonium chloride.)

    asked by N/A on September 18, 2011
  31. algebra

    Could someone show me how to solve this joint variation problems? Y varies jointly as x and y and inversely as w. Write the appropriate combined variation equation and find z for the given values of x, y and w. z=15 when x equals three, y equals four, and

    asked by Juliette on December 8, 2008
  32. Economics

    Which one of the following statements is correct under the theory of supply-side economics? A. High marginal tax rates severely discourage work, saving, and investment. B. Transfer payments increase incentives to work. C. Increases in social security taxes

    asked by Fatima on May 21, 2018
  33. geometry

    A circular walking track has a radius of 150 yards. Margaret walked 2/3 of the distance before taking a break.? Would the path she walked be considered a “chord” or an “arc” of the circle? Explain. – How many yards has Margaret walked? Show or

    asked by cassie on May 22, 2017
  34. Science

    Over a one-week period, there is a rapid increase in the number of patients entering the emergency room complaining of high fever, lethargy, muscle aches and diarrhea or vomiting. Which method of scientific inquiry would the doctors use to determine the

    asked by dannytan2 on August 2, 2011
  35. chemistry

    a.identity the phases that exist in a copper pan containing two iron nails ,a litre of water and four glass marbles b.A beaker contains clear, colourless liquid.How would you determine whether it contained dissolved table salt without tasting it? c.

    asked by snothile on February 22, 2016
  36. Criminal Justice

    Which one of the following is NOT a method for developing invisible fingerprints during a crime scene search for evidence? A. Powders B. Rolling C. Chemicals D. Fuming is it B 2. Information obtained during an interview and recorded in an investigator's

    asked by Amy on November 10, 2013
  37. math

    A popular tourist attraction in Ottawa is the Peace Tower which rises from the Centre Block of the Parliament Buildings. Describe at least one method that you could use to estimate the height of the tower, including the measurements you would need to make.

    asked by Jim on September 4, 2011
  38. Statistics

    A national opinion poll found that 44% of all American adults agree that parents should be given vouchers good for education at any public or private school of their choice. Suppose that in fact the population proportion who feel this way is p=0.44. A)

    asked by JJ on December 17, 2013
  39. Physics

    A baseball is hit by Aaron Judge, a New York Yankees baseball team member, at an amazing velocity of 110 miles/hour at an angle of 35 degrees from the horizontal from home plate in Yankee Stadium in New York City. The baseball was initially launched from

    asked by Raye on October 4, 2017
  40. Physics

    A baseball is hit by Aaron Judge, a New York Yankees baseball team member, at an amazing velocity of 110 miles/hour at an angle of 35 degrees from the horizontal from home plate in Yankee Stadium in New York City. The baseball was initially launched from

    asked by Brittany on October 3, 2017
  41. Economics

    One supply-side measure introduced by the Reagan administration was a cut in income tax rates. Use an aggregate demand-supply diagram to show what the effect was intended. What might happen if such a tax cut also generated a change in aggregate demand?

    asked by Tonia on September 6, 2006
  42. math

    A small business just leased a new computer and color laser printer for three years. The service contract for the the computer offers unlimited repairs for a fee of $100 a year plus a $25 service charge for each repair needed. The company's research

    asked by clarence on January 1, 2008
  43. math

    Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a one-time registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per

    asked by abdullatif on September 15, 2016
  44. Economics

    1) Which of the following is an example of a measure of labor productivity? a. Autos get 30 gallons to the mile. b. The growth rate of per capita real GDP is 3.5 percent per year. c. Farm workers produce 30 bushels of wheat per worker per day. d. Wages

    asked by Suzy on June 8, 2010
  45. Science

    A solution contains 0.01M ethyl acetate, 0.10M acetic acid and 0.10M ethanol. For the same equilibriujm constant of 2.00, calculate the equilibrium concentrations of ethyl acetate, ethanol, and acetic acid in the solution.

    asked by Eric on July 24, 2012
  46. Chemistry

    Suppose you have to prepare 1.00 L of the solution ( KH2 PO4 and Na2 HPO4 pH=7.31) and that this solution must be isotonic with blood (have the same osmotic pressure as blood). What mass of KH2 PO4 would you use? b) What mass of Na2 HPO4 . 12 H2O would you

    asked by Pepz on March 16, 2013
  47. Chemistry

    A solution of iodine (I2) in carbon tetra-chloride(CCl4) is used when iodine is needed for certain chemical tests. how much iodine must be added to prepare a 0.480 m solution of iodine in CCl4 if 100.0g of carbon tetra-chloride is used?

    asked by punk480 on June 15, 2012
  48. Stats

    The Internal Revenue Service (IRS) provides a toll-free help line for taxpayers to call in and get answers to questions as they prepare their tax returns. In recent years, the IRS has been inundated with taxpayer calls and has redesigned its phone service

    asked by Avery on December 7, 2014
  49. Trig Math

    Arc Length Stuff: Have you ever wondered what the circumference of the Earth is? Well, at the Equator, the distance around is about 25000 miles (assuming the Earth is a sphere). What if you wanted to know the distance around at any latitudinal location?

    asked by Rainy Days on February 27, 2018
  50. Algebra

    Joe and Theresa want to paint their living room. From past experience they know that Joe can paint the room in 6 hours and Theresa can paint it in 10 hours. How long will it take them if they work together? Mower A can cut a field in 6 hours and Mower B

    asked by Chelsey on March 5, 2014
  51. Econ

    Consider the following consumption function. C = 200 + .75(DPI), Where C is consumption, autonomous spending is 200, the MPC is .75, and DPI is disposable personal income. Using the Graph below, graph the Consumption Function. C 100 0 = Income On the

    asked by ben on February 18, 2011
  52. chemistry

    At 25 °C, the density of a 50 % (by mass) ethanol/water solution is 0.914 g/cc. Given that the partial molar volume of water in the solution is 17.4 cc/mol, what is the partial molar volume of the ethanol?

    asked by syl on January 16, 2011
  53. Personal finance

    Josh has decided to take a course at the local community college that could help him get a promotion at work. The course begins at 5pm and goes until 9pm on monday nights. Josh normally works until 5pm each day, but because of the drive time he will leave

    asked by Michelle on October 24, 2013
  54. chem

    Can someone please help me by explaining and correcting me? 1) A 0.057M solution of a weak acid has a pH of 4.93. Determine the ionization constant, Ka, of the acid. a) 2.1 x 10^-4 b) 2.4 x 10^-9 c) 4.1 x 10^-8 d) 2.8 x 10^-7 e) 1.4 x 10^-10 -- To be

    asked by polkadot on April 8, 2011
  55. Chemistry

    We can precipitate out solid lead(II) iodide from an aqueous lead(II) nitrate solution by adding potassium iodide. If we have 500. mL of 0.632 M lead(II) nitrate solution and add excess potassium iodide, how much solid lead(II) iodide will form (in grams)?

    asked by Kierstin on May 10, 2016
  56. Chemistry

    A solution is prepared by adding 50.3 mL of concentrated hydrochloric acid and 16.6 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint:

    asked by Andre on February 28, 2012
  57. Chemistry

    A solution is prepared by adding 47.3 mL of concentrated hydrochloric acid and 16.3 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint:

    asked by Andrew on May 21, 2012
  58. Math: Natural Logarithm

    Solve x in terms of y. Question: y = (e^x + e^-x)/(e^x - e^-x) Answer: x= 1/2 ln ((y+1)/(y-1)) I have the answer with me, but I don’t know how to solve the question step by step.

    asked by Rose on September 11, 2018
  59. English

    1. What's he bought? 2. What has he bought? [Are both okay?] 3. How's he solve the problem? 4. How has he solve the problem? [Are both okay?] 5. Why's he got angry? 6. Why has he got angry? [Are both okay? Thank you for your help. Have a good time.]

    asked by rfvv on March 11, 2019
  60. math

    This table shows the numbers of students in different classes that are in the math club. Students in math club Boys / Girls Mrs.Smith 3 / 4 Ms.Jones 4 / 6 Mr.Brown 3 / 4 a. What fraction of the students in the math club are boys from Mrs. Smith’s class?

    asked by Anonymous on January 6, 2015
  61. Literature

    You have plagiarized if you have * A. No page numbers where you found the facts, no quotation marks around quotes, no source credited with providing you with the information, and no work cited page. B. Quotes around the author’s ideas, no in-text

    asked by Polly on May 10, 2018
  62. Chemistry

    The photoelectric work function of a metal is the minimum energy needed to eject an electron by irradiating the metal with light. For calcium, this work function equals 4.34 x 10-19 J. If light with a wavelength of 256 nm impinges on a piece of calcium,

    asked by Piper on February 4, 2017
  63. Chemistry

    The photoelectric work function of a metal is the minimum energy needed to eject an electron by irradiating the metal with light. For calcium, this work function equals 4.34 x 10-19 J. If light with a wavelength of 256 nm impinges on a piece of calcium,

    asked by Piper on February 4, 2017
  64. Physics

    A block is pulled 2.9 meters up a 30° rough incline by an applied force Fa = 170 N, directed up the ramp. The frictional force has a magnitude of 90 N. The block starts from rest and has a final kinetic energy of 16 J. Find the following: a) The total

    asked by Dar on February 18, 2010
  65. ap chemistry

    A calorimeter contains 20.0 of water at 12.5 . When 2.20 of (a substance with a molar mass of 59.0 ) is added, it dissolves via the reaction and the temperature of the solution increases to 27.5 . Calculate the enthalpy change, , for this reaction per mole

    asked by emily on December 3, 2012
  66. gen chem 1

    You carefully weigh out 20.00g of \rm CaCO_3 powder and add it to 81.00g of \rm HCl solution. You notice bubbles as a reaction takes place. You then weigh the resulting solution and find that it has a mass of 92.80g . The relevant equation is \rm

    asked by bc on May 22, 2013
  67. ap chem

    A calorimeter contains 20.0 of water at 12.5 . When 2.20 of (a substance with a molar mass of 59.0 ) is added, it dissolves via the reaction and the temperature of the solution increases to 27.5 . Calculate the enthalpy change, , for this reaction per mole

    asked by JOSH on December 3, 2012
  68. Bio 30

    Genetic crosses question ? When a white ram was mated with black ewes, it sired only white lambs. When this ram was mated with a certain white ewe, all lambs were white. When one of thes lambs reached maturity, it was back-crossed with its mother, which

    asked by Sam on November 20, 2008
  69. MATH (SURDS)

    we have been asked to prove that it is possible to determine the value of a surd using either similar figures or Pythagoreans theorem. we have been shown how to construct the surd using a compass and ruler. but we now have to prove that our method is

    asked by Frank on April 23, 2008
  70. math

    An antique dresser was purchased for $7500 in 2005. The dresser increases in value by 9% per year. Find the value of the dresser in 2025. So i thought it would be : A = 7500(1+0.09)^(20) A = 42033... However I have been told it could be: Value = 7500 +

    asked by Daniel on April 7, 2013
  71. programming

    Create the logic for a program that prompts a user for three numbers and stores them in an array. Pass the array to a method that reverses the order of the numbers. Display the reversed numbers in the main program.

    asked by stephanie on March 28, 2013
  72. Strategies for Academic Success

    Sean is taking an online course in Psychology, and is about to take a quiz over the lesson, “The Experimental Method”. He did poorly on his homework assignment and is struggling to remember the lesson content. What should Sean do before he takes the

    asked by alicia on May 2, 2014
  73. Biochemistry

    I need to copare and contrast gel electrophoresis and paper strip electrophoresis... I know what both of them are, but I need to explain in terms of the charges on the proteins.. and I need to describe the polyacrylamide gel electrophoresis method in terms

    asked by Andrew on February 12, 2009
  74. university chemistry

    the oxygen produce was colleced by displement method at (22c)at a total pressure of (754torr)the vapor pressure of water at (22c) in (21torr) calculate the pershel pressure of oxygen in the collected

    asked by Muhammad on March 12, 2016
  75. Physics

    A flatbed truck with a box sitting on the bed accelerates from rest on level ground. The truck’s speed as a function of time is 15t –2t^2 during this acceleration. The truck reaches its maximum speed and cruises along at this speed for 4 minutes. It

    asked by Chad on August 10, 2012
  76. Science

    Fill in the blank... 1. ------ digestion occurs in the small intestine through the action of enzymes. 2. ------ can cause infections by injecting the DNA or RNA into hosts 3. The human immune system produces ------- in response to a vaccine, which later

    asked by Just a friend ;-) on November 14, 2014
  77. math please help

    a company purchased a lathe with a useful life of 4 years and a salavage value of $5,000.00 if the lathe cost $45,000.00 what is the lathes first year depreciation using the sum-of-the years digits method? would it be $12,000.00

    asked by unknown on November 5, 2008
  78. math

    a company purchased a lathe with a useful life of 4 years and a salavage value of $5,000.00 if the lathe cost $45,000.00 what is the lathes first year depreciation using the sum-of-the years digits method? would it be $12,000.00

    asked by unknown on November 5, 2008
  79. Calculus

    Find the minimum value of the following function: h(x)= x-(12(x+1)^(1/3) -12) on the interval [0, 26] Honestly, I have found by graphing that the minimum value is at the coordinate point (9,-3), but I need to do this in a way that uses a more

    asked by Duncan on April 17, 2017
  80. business math

    using the exact interest method 365 days, find the amount of interest on the following loans, principal is $1,700, the rate is 121/2 percent, time days is 33. what is the exact interest

    asked by Anonymous on July 5, 2013
  81. Solubility of gases

    Can somebody tell me a list of (common) gases that are soluble, moderately soluble, and insoluble in water? I would like to know which gases can be collected using the downward displacement of water method. CO2 O2 SO2 H2 CO Noble gases F2 Thank you!

    asked by Hae on November 15, 2011
  82. science

    If ozone mixing ratios are 0.24 ppmv and ROG mixing ratios are 1.7 ppmC, what is the best an most effective regulatory method of reducing ozone if only the effects of NOx(g)and ROGs on ozone are considered?

    asked by Anonymous on November 9, 2017
  83. TIP: For this discussion response,

    Writing is a very important component of online learning. College-level writing is more formal most of your daily writing. Describe the difference between college-level writing and casual writing. In chapter 4 of the book, six steps for writing are

    asked by Anonymous on May 21, 2010
  84. chemistry

    elemental analysis indicates the simplest formula of an unknown is C2H4O. when 0.775g of the compound is dissolved in 50g of benzene(C6H6), the solution freezes at 5.06 degree C. what are the molecular weight and the molecular formula of the compound? the

    asked by kiki on April 6, 2007
  85. Graphs

    x + 2y = -4 How do I graph this?can you please help? Assign values to x and solve for y or assign values to y and solve for x. Makre a table. X........Y 0........-2 2........-3 etc. I almost always assign a value of zero to Y, too, and calculate X. Y = 0;

    asked by Margie on October 14, 2006
  86. Algebra--help really needed!

    I'm having some trouble with my algebra homework. Please walk me through the question completely and give me the answer so I can fully understand it if I would ever need to solve a similar problem. Here's the problem: #1: Jon begins jogging at a steady 3

    asked by Caroleen on January 6, 2009
  87. Algebra--please help!

    I'm having some trouble with my algebra homework. Please walk me through the question completely and give me the answer so I can fully understand it if I would ever need to solve a similar problem. Here's the problem: #1: Jon begins jogging at a steady 3

    asked by Caroleen on January 6, 2009
  88. CHEM

    I was just wondering if someone would be able to critique my answers for the following Chem questions? they range from pretty basic to a bit more... 2)which of the following is the definition of the value of Avogadro's constant: b) the # of Carbon atoms in

    asked by K on October 21, 2007
  89. physics

    A block with a mass of 1.0kg is lifted up slowly from ground (0m) to height of 0.51m. block is slowly displaced horizontally by .10m. find total work done to displace block vertically and horizontally. Then find total work to lift block and move it

    asked by Ray on February 16, 2014
  90. math

    You are paid $8.55/hr at your part-time job. You work 10 hours per week. You are considering working a part-time job for $6.25/hr, and it pays tips. You will earn an average of $3.00/hr in tips. If you work the same 10 hours at the new job, how much more

    asked by Cindy on April 9, 2012
  91. Physics

    To determine the work function of a material of a photodiode, you measuered the maximum Knetic energy of .5 eV correwsponding to a certain wavelength. Later on, you cut down the wavelength by 50% and found the maximum kinetic energy of the photoelectrons

    asked by Jasmine on December 12, 2011
  92. chemistry, plz check work

    NH3+H2S-->NH4HS

    asked by Anonymous on March 2, 2009
  93. Accounting

    The City of Jamestown has agreed to acquire a new city maintenance building under a capital lease agreement. At the inception of the lease, a payment of $100,000 is to be made; nine anual lease payments, each in the amount of $100,000, are to be made at

    asked by Jill on February 11, 2010
  94. English

    Question: When an animated cartoon was made of Animal Farm, it was given a happy ending. Animals everywhere hear that Napoleon has betrayed the cause of animalism. They join in a second revolution and succeed in overthrowing him. This leads to the

    asked by AyPa on June 24, 2010
  95. Biology

    How can we solve the problems of global warming by using biology technology? In other words, what biology technology helps solve global warming? I can't think of anything. Please help! Thanks You.

    asked by Anonymous on January 10, 2010
  96. math 108 trig

    1.Solve, finding all solutions in [0, 2π). cosx sin2x + sinx cosx - sinx = 0 2.Solve, finding all solutions in [0, 2π). 3sec x = 2tan^2x

    asked by brittney on March 6, 2016
  97. Inequalities Interval Notation

    Solve: (2 + x)(5 + x)(4 - x) < 0 (write answer in interval notation) Which I think is xe (-infinity, -5) or (-2, 4) and Solve: (4x + 1)(3 - x) > or equal to 0 (write answer in interval notation) Which im unsure

    asked by Sasha on April 27, 2015
  98. Physics

    Please help me solve this problem. A plane flying at 75 m/s, was diving at an angle of 40 degrees below the horizontal when one of it's wheels fall off. The wheel hits the ground 8.5 s after it fell off the plane. I know the x and y components of the wheel

    asked by Anna on December 8, 2018
  99. Algebra

    There are 25 quarts of 20% anti freeze solution in the radiator of a car. How many quarts of anti freeze must be added to make a 50% anti freeze solution

    asked by Nichole on September 26, 2015
  100. Chemistry

    If 24.3 grams of an aqueous solution of aluminum iodide, AlI3, contains 6.56 grams of aluminum iodide, what is the percentage by mass of aluminum iodide in the solution?

    asked by Ebony on May 4, 2017

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